Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-06-2023 01:12

General

  • Target

    2f5e7c5c9f1f697bfeb2341ce42743172950f1edacf9ca503328364354bca3b3.exe

  • Size

    863KB

  • MD5

    426937c153dd506951c7f40a94094c48

  • SHA1

    fb1e60c760f716e3058e3187d701899ba136d6a2

  • SHA256

    2f5e7c5c9f1f697bfeb2341ce42743172950f1edacf9ca503328364354bca3b3

  • SHA512

    4404e37eced0a0bfa8255e6549d0b9212cd7fd3be87b012879bbf9898b7ffa36d28c27525f4d2b9edc64100ab29e302afe4bbd2594f3810ad4e1701b13405103

  • SSDEEP

    24576:Zjy6Akw+amJpYfdwzcfeJs9ReYWCW8kCt9g7:w6Akwhm0fdXO/D8j

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 2 IoCs
  • Looks up external IP address via web service 7 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f5e7c5c9f1f697bfeb2341ce42743172950f1edacf9ca503328364354bca3b3.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5e7c5c9f1f697bfeb2341ce42743172950f1edacf9ca503328364354bca3b3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Set-UP.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Set-UP.exe
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Drops desktop.ini file(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1804
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WindowsDefenderUpdates.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WindowsDefenderUpdates.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe
        "C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1708
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe" "WindowsDefenderUpdates.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\MLXLFKOI\Browsers\Firefox\Bookmarks.txt
    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Desktop\CheckpointAssert.bmp
    Filesize

    624KB

    MD5

    654ee8662e437d6441e98b4b8d4ece5e

    SHA1

    13bac5c778c0fc4fce440e9c02809672e0bdd8dd

    SHA256

    70a9de4dd3d371e37c358fe7417c6787c3a3c4c952c188f2a95e9a9898b1484f

    SHA512

    f802b0d7de87c90b1c05995c017933b93572fd651c8194fe9e41ad306efd2a50ff3877ba55c3d8a61c0a5827474016c5320ab10809c8f1ab309bae351010ca7b

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Desktop\RegisterUnlock.rtf
    Filesize

    577KB

    MD5

    c014ac4f356aecfee9e4934fe1f5ca37

    SHA1

    0c054234b3f6f74e0e11e89f7241f8e2852c0580

    SHA256

    c95513215980fdafe8c58f95fabbe2ad96a9451f97b2ad27624ae178aaac913d

    SHA512

    6c99a5dedf2812e1e2f10f1f81218a46c19aea999b5472604e09b931bfe0c8a8928e3ed71d51d455387702c6776237b804af15717b5bc8000f560c5441344888

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Desktop\RequestEnter.ini
    Filesize

    531KB

    MD5

    0527ac8d2a3f47e1a4f8ae688ba38ef6

    SHA1

    eb9349c62dbd0ed0609801bd7d7930e1edcad6fe

    SHA256

    877fb7431ccbf50633733a689efbf857bd2c89ff020a34f0dcd9943159171eea

    SHA512

    9a12302e6df5151eb1cbd1d1ad442856390a99b16db527403286fcf56b73ba509bd27cec996c0e9bfbe531ef504b446fae22d665134ccbc28b64d769719238ed

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Documents\ApproveSplit.docx
    Filesize

    736KB

    MD5

    b3fe89ba8b7e70f965765d3fa6d3cd5d

    SHA1

    de2707e349e3cb86b0397ae82c05dd95dd05218f

    SHA256

    dc6642b3adbf117e344071964373f94351d9a3ff1ab8fecb5ef03cbae3150065

    SHA512

    f301782be37ec0c8adf3c0118144912bc3c1d90760b8e34dec2e2a7d0409429e41de01de08357a67b4e4285fd7b0686402baae7712e00a6f3be817395363a0b3

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Documents\MergeProtect.rtf
    Filesize

    1.7MB

    MD5

    8c701ecf2c8ef5a1e7aff4f26ba436b4

    SHA1

    c065c4a6a43dad45095cbe13bb5657fa0b5849fc

    SHA256

    d309459f7e1c201d34f6cd90a5d916bf2656bc3215abd379a0d49fbd2c160181

    SHA512

    a317847a1d7daa0838687425c8a8321f7f116f06f43b0a0501922044e3fb63b29b384c3ec68b1310a6f394cbfcf53f5df806c0d127a5bec71d0dcac5bb8f5dba

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Downloads\BackupReset.js
    Filesize

    792KB

    MD5

    7b4987fbddc0a65f1d7d38e39e8fb2f0

    SHA1

    e5ec0219cb6c16653f5384decbc4cb9c96ca5677

    SHA256

    7f008d0247e585dff383faabbd45fd1cb4c05d4623a38cddca06816014f4559b

    SHA512

    8565f8086bd8bd47475e8b6c97cc2d36666f80dbe41acd49526150a425818a5def761d8eeecac263df13a47ea47f0965b795ad23175689d75cf6ecaec471078e

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Downloads\ClearWait.css
    Filesize

    755KB

    MD5

    1deaf47cd559e66afac726a879201b8f

    SHA1

    2385140d02f7ea9ada26bd0300c0e2875f324f81

    SHA256

    2f78e807407308fd5039a3e34eececd5d83a78e9b03bba04c973a5100b9542c3

    SHA512

    35dd3e17f87d01be6f64f8668c64d4f4b3245e7aa9115f49a319eee3684bd89c87946aff9fc3148e7de4fc661885629823f2b6029a4ba3edacd73eb376e6125b

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Pictures\ApproveNew.png
    Filesize

    1011KB

    MD5

    9a42b8338f0bbf461165e90607e435e7

    SHA1

    4eb361b8ff9ca6638184a2e5ce467cd95ce1f89a

    SHA256

    2d1b1e981d3a0028d9c5efd813d31ac4f19263a4850e6884e2ffbccb988b977a

    SHA512

    1207180893a4cfb8ffca77c361123a8615e88dc2e4f27b0ce46e6259d97ec90d33c3a4c5e42922c9c1fc74d860a96e48496c6e98a8cf3b643bb22e2f8e2008e9

  • C:\Users\Admin\AppData\Local\MLXLFKOI\FileGrabber\Pictures\BlockStep.jpg
    Filesize

    1.1MB

    MD5

    117a3d8acc0228eff619cdaa791cf8dc

    SHA1

    35c08b6c8a116dcbd3b3144b3eb93c363c2f9ef0

    SHA256

    99342de9339a03a1c1096645b25f3d6eddbf162df8b5e22ea5fdc128482c22e3

    SHA512

    3ade93cfdc657dc27ceca582504038e1d80c3593fa6cfa8517ccc99a61df4a5bc0c40096511f9e6e922bf5835128e6c7ff0747869e616df0f4bd1c07dab4ce74

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Set-UP.exe
    Filesize

    1.0MB

    MD5

    3398c825546a8f031901e1e31b6304e7

    SHA1

    ca8e0b923acf197f7cfe12c7e1b8a81087c10b40

    SHA256

    1a59d39530e38660cc483a1b5a090036206db446ac8573f1a2ec76ba4d3e2858

    SHA512

    ca404a7e26a586597242b51bb145b38157ab3414627e2d7168f3124b3caf9785d58e1628832a8a15bef7192a88e4fb5404b65684efc6d7d2e43c7f5d54dc270e

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Set-UP.exe
    Filesize

    1.0MB

    MD5

    3398c825546a8f031901e1e31b6304e7

    SHA1

    ca8e0b923acf197f7cfe12c7e1b8a81087c10b40

    SHA256

    1a59d39530e38660cc483a1b5a090036206db446ac8573f1a2ec76ba4d3e2858

    SHA512

    ca404a7e26a586597242b51bb145b38157ab3414627e2d7168f3124b3caf9785d58e1628832a8a15bef7192a88e4fb5404b65684efc6d7d2e43c7f5d54dc270e

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • C:\Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • \Users\Admin\AppData\Roaming\WindowsDefenderUpdates.exe
    Filesize

    160KB

    MD5

    8d990a112e2f4ce70e630dda9a1060b4

    SHA1

    6ea9f72e30dc042eda02424a7151ed1cbcf5a35f

    SHA256

    3fdf1066e3b5085246f0d060dbb64c46019244b20d8da8b4d12a941e4dcc95af

    SHA512

    35fef6f967aa2da0ce3ef4813ae2960ba0243a56e5431737d3eb95f6c0a83c91da88c24cf311c3a076899eab9923dee92bf4806a99a08472c07e74030c5c9054

  • memory/1708-240-0x0000000000AC0000-0x0000000000B00000-memory.dmp
    Filesize

    256KB

  • memory/1772-232-0x0000000000DD0000-0x0000000000E10000-memory.dmp
    Filesize

    256KB

  • memory/1804-138-0x0000000004A30000-0x0000000004A70000-memory.dmp
    Filesize

    256KB

  • memory/1804-62-0x0000000000D80000-0x0000000000E8E000-memory.dmp
    Filesize

    1.1MB

  • memory/1804-63-0x0000000000480000-0x0000000000486000-memory.dmp
    Filesize

    24KB

  • memory/1804-64-0x0000000004A30000-0x0000000004A70000-memory.dmp
    Filesize

    256KB